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Parasitization of the spruce budworm, Choristoneura fumiferana (Clemens) (Lepidoptera: Tortricidae) by Brachymeria intermedia (Nees) (Hymenoptera: Chlaciddidae)

Problem Addressed: Spruce Budworm

Goal(s)/Objective(s): Study the use of the parasitoid Brachymeria intermedia to attack spruce budworm

Key Findings: The percentage mortality is considerably higher than the total native pupal parasitoid complex.

Downloads: 4

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Simplified method for the analysis of some carbamate insecticides in foliage, foest soil and fish tissue by direct gas-liquid chromatography

Problem Addressed: Insecticide residues

Goal(s)/Objective(s): Describe a method for analysis of the insecticide residues.

Downloads: 0

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How to distinguish between old and new egg masses of the Western Spruce Budworm

Problem Addressed: Differences between old and new egg masses of Western Spruce Budworm

Goal(s)/Objective(s): Train foliage collectors and examiners to be consistent with sampling.

Downloads: 2

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United States Environmental Protection Agency Letter to Dr. Kenneth Knauer

Problem Addressed: Draft Environmental Impact Statement for the proposed Cooperative Spruce Budworm Suppression Project

Key Findings: Concerned with use of the pesticide fenitrothion.

Downloads: 0

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Residues of Chlorpyrifos-methyl in Balsam Fir foliage, forest litter, soil, stream water, sediment and fish tissue after double aerial application of Redlan®

Problem Addressed: Spruce Budworm and residues from insecticides

Goal(s)/Objective(s): Determine residues from Chlorpyrifos-methyl

Key Findings: Remnants of Chlorpyrifos-methyl in foliage, forest litter, soil, stream water, sediment, and fish tissue.

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Dendrochronological reconstruction of spruce budworm outbreaks in northern Maine, USA

Problem Addressed: Detection of major spruce budworm outbreaks in Maine

Goal(s)/Objective(s): Reconstruct the history of major spruce budworm outbreaks in northern interior Maine using host–nonhost dendrochronological analyses, contrast the outbreaks detected in this region to those of eastern Canada; and evaluate the efficacy of using radial growth patterns of small spruce trees for the purpose of detecting outbreaks.

Key Findings: Small-diameter, slow-growing red spruces clearly express the typical budworm signal once ring-width data have been properly standardized.

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Evaluation of High Capacity Nonsaturating Sex Pheromone Traps for Monitoring Population Densities of Spruce Budworm

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Effects of Photoperiod and Size on Flight Activity and oviposition in the eastern spruce budworm (Lepidoptera: Torticidae)

Problem Addressed: Dispersal of adult females of eastern spruce budworm (Choristoneura fumiferana (Clem.))

Goal(s)/Objective(s): Determine effects of photoperiod on spruce budworm

Key Findings: The role of female activity as related to size and flight capability is therefore of potentially great significance in spruce budworm population dynamics and deserves further detailed investigation.

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Distribution and presistence of fenitrothion residues in foliage, soil and water in larose forest.

Problem Addressed: Insecticide residues in Larose forest.

Goal(s)/Objective(s): Summarize an operational experiment carried out in Larose Forest to study the persistence of aerially applied fenitrothion and its metabolites (the oxon analgue and 4-nitro-cresol) in white spruce foliage, soil and water samples collected from sprayed areas.

Key Findings: Degradation and persistence of fenitrothion findings are in reasonable agreement with those for the same chemical used in N.B. forests.

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